21285864

素因数分解:

$2^3\times 3^2\times {\mathrm{293}}^1\times {\mathrm{1009}}^1$

素因数の和:1314

約数の個数: 48

約数和(自身を含む): 57903300

約数和(自身を除く): 36617436

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 293, 586, 879, 1009, 1172, 1758, 2018, 2344, 2637, 3027, 3516, 4036, 5274, 6054, 7032, 8072, 9081, 10548, 12108, 18162, 21096, 24216, 36324, 72648, 295637, 591274, 886911, 1182548, 1773822, 2365096, 2660733, 3547644, 5321466, 7095288, 10642932, 21285864]

約数ペア:

[(1, 21285864), (2, 10642932), (3, 7095288), (4, 5321466), (6, 3547644), (8, 2660733), (9, 2365096), (12, 1773822), (18, 1182548), (24, 886911), (36, 591274), (72, 295637), (293, 72648), (586, 36324), (879, 24216), (1009, 21096), (1172, 18162), (1758, 12108), (2018, 10548), (2344, 9081), (2637, 8072), (3027, 7032), (3516, 6054), (4036, 5274)]